How To Fix “Runtime Error Atibtmon Exe”

Runtime Error Atibtmon Exe

A well-functioning computer system is the desire of every user. However, encountering errors can disrupt your computing experience. One such nuisance is the ‘Runtime Error Atibtmon.exe.’

This article is your comprehensive guide to understanding the Atibtmon.exe runtime error, its causes, and the solutions to fix it.

Runtime Error Atibtmon Exe

What is the Atibtmon.exe Runtime Error?

Atibtmon.exe is a part of the ATI Brightness Monitor program developed by ATI Technologies Inc. When your computer’s power source changes, the Atibtmon.exe file triggers a runtime error, often when shifting from the AC adapter to battery power, and vice versa.

The error notification usually states, “Runtime Error! Program: C:\Windows\system32\atibtmon.exe.”

Causes of Atibtmon.exe Runtime Error

A variety of reasons can cause the Atibtmon.exe runtime error, including:

Variations in Power Plan: If your laptop’s power plan changes when switching from AC to battery, it can cause this error.

Corrupted or Missing Atibtmon.exe file: Malware or virus infections can corrupt or even delete .exe files, leading to the error.

Incorrect Installation of Software: Improper installation or uninstallation of software can leave invalid entries in your system, causing the error.

How to Fix the Atibtmon.exe Runtime Error?

There are several ways to address this error:

Method 1: Changing Power Plan Settings

Open Control Panel and go to ‘Power Options.’

Step 1: Click on ‘Change plan settings’ for the power plan you’re currently using.

Step 2: Click on ‘Change advanced power settings.’

Step 3: Navigate to ‘ATI Graphics Power Settings’ and ‘ATI PowerPlay settings.’

Step 4: Set the ‘On battery’ and ‘Plugged in’ options to ‘Maximize Performance.’

Step 5: Click ‘Apply,’ then ‘OK.’

Method 2: Renaming Atibtmon.exe

Step 1: Navigate to Windows > System32.

Step 2: Find the Atibtmon.exe file.

Step 3: Right-click on the file and select ‘Rename.’

Step 4: Rename it to ‘Atibtmon.exe.old.’

Method 3: Using System File Checker

Step 1: Open Command Prompt as an administrator.

Step 2: Type ‘sfc /scannow’ and press ‘Enter.’

Step 3: The system will scan for and repair any corrupt system files.

Method 4: Clean Reinstallation of ATI Drivers

Step 1: Uninstall your current ATI Drivers via the Device Manager.

Step 2: Reboot your system.

Step 3: Visit ATI’s official website and download the latest drivers.

Step 4: Install the drivers and reboot your system.


The Atibtmon.exe runtime error can be a frustrating experience. However, with the right knowledge and steps, it’s completely solvable.

This guide provides comprehensive solutions to help you overcome this error. Always remember to regularly update your drivers and keep your system clean from malware to avoid such errors.

Frequently Asked Questions

Here are some Frequently Asked Questions (FAQs) related to the Atibtmon.exe runtime error:

What is the Atibtmon.exe file?

The Atibtmon.exe file is a software component of the ATI Brightness Monitor Program. It is used to adjust the brightness of your screen when your computer switches between different power sources.

Is the Atibtmon.exe file a virus?

No, the Atibtmon.exe file is not a virus. However, some malware can disguise themselves as Atibtmon.exe. Always check the file location: it should be in the System32 folder. If you find it anywhere else, run a full system scan to detect potential threats.

Can I disable Atibtmon.exe?

Yes, you can disable it by changing the power settings or renaming the Atibtmon.exe file. However, disabling it means that the brightness won’t adjust automatically when you switch power sources.

Can the Atibtmon.exe runtime error damage my computer?

The Atibtmon.exe runtime error won’t directly harm your computer, but it can be annoying and disruptive. It is advisable to fix the error for a smooth user experience.

What do I do if the Atibtmon.exe runtime error persists after trying the suggested solutions?

If the error continues after attempting all the solutions, consider seeking help from a professional technician or contact the software provider. Persistent issues could indicate a more complex problem that needs a more detailed investigation.


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